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157168508 = 2275613161
BaseRepresentation
bin10010101111000…
…11001101111100
3101221201222122212
421113203031330
5310213343013
623332355552
73615624140
oct1127431574
9357658585
10157168508
1180799032
1244775bb8
132673ba23
1416c33220
15dbe86a8
hex95e337c

157168508 has 12 divisors (see below), whose sum is σ = 314337072. Its totient is φ = 67357920.

The previous prime is 157168493. The next prime is 157168547. The reversal of 157168508 is 805861751.

157168508 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2806553 + ... + 2806608.

It is an arithmetic number, because the mean of its divisors is an integer number (26194756).

Almost surely, 2157168508 is an apocalyptic number.

It is an amenable number.

157168508 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157168508 is a wasteful number, since it uses less digits than its factorization.

157168508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5613172 (or 5613170 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 41.

The square root of 157168508 is about 12536.6864840754. The cubic root of 157168508 is about 539.6620061386.

The spelling of 157168508 in words is "one hundred fifty-seven million, one hundred sixty-eight thousand, five hundred eight".

Divisors: 1 2 4 7 14 28 5613161 11226322 22452644 39292127 78584254 157168508